Seiko Cal. 6690 - 300

The Seiko 6690-300 represents an important milestone in Seiko's 1998 lineup. Powered by the 6690 caliber with 24j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-983d09b8af64]

Also known as: Crown, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1998

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